Home / 18,031.16-27,007.18-14,875.67

Finding the Fourth Proportional to 18,031.16, 27,007.18 and 14,875.67

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Solution

The fourth proportional to 18,031.16, 27,007.18 and 14,875.67 is: 22,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.16 : 27,007.18 = 14,875.67 : x
  2. Step 2: Convert to fraction form
    18,031.16/27,007.18 = 14,875.67/x
  3. Step 3: Cross multiply
    18,031.16x = 27,007.18 × 14,875.67
  4. Step 4: Simplify right side
    18,031.16x = 401,749,897.31
  5. Step 5: Solve for x
    x = 401,749,897.31/18,031.16
  6. Step 6: Final answer
    x = 22,280.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.